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Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB). The directiQUESTION 20 What is the amplitude of the magnetic field B in an electromagnetic wave that has the amplitude of the electric f

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1) in -y direction Option A is correct 2) B = 1000/3x108 = 3.33x10^-6 T Option B is correct.

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